Apple iMac (Early 2001) Technical Specifications

What are my Apple iMac (Early 2001) Specs?

OVERVIEW
IntroducedFebruary 2001
Model IdentifierPowerMac4,1
Model NumberM5521
EMC1857
Order Number
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ColorsIndigo, Graphite, Blue Dalmatian, and Flower Power
Weight and Dimensions34.7 lbs., 15.0" H x 15.0" W x 17.1" D
PROCESSOR
ProcessorPowerPC 750 or 750cx (G3)
Processor Speed400, 500, 600 MHz
Maximum Processor Speed
Architecture
Number of Cores1
Security ChipNo
Cache64 KB L1, 512 KB (400 MHz) or 256 KB (500/600 MHz) backside L2
System Bus100 MHz
Logic board RepairNiwTech
STORAGE AND MEDIA
Storage10, 20, 40 GB
Storage UpgradeNiwTech
SSD UpgradeNiwTech
Data RecoveryNiwTech
MediaSlot-loading 24x CD-ROM or 8x4x32 CD-RW
PERIPHERALS
PeripheralsApple Pro Keyboard, Apple Pro Mouse
Peripherals RepairsNiwTech
SOFTWARE
Original OSMac OS 9.1 (Mac OS ROM 7.5.1)
Maximum OSMac OS X 10.4.11
OS installNiwTech
OS UpgradeNiwTech
OS DowngradeNiwTech
OS SupportNiwTech
AirDrop
Handoff
Power Nap
Unlock with Apple Watch
Hardware TestAHT (iMac) 1.1, 1.2 (iMac/eMac) 1.2.1, 1.2.2
FIRMWARE
FirmwareOpen Firmware
MEMORY
Built-in MemoryNone
Maximum Memory1.0 GB
Memory Slots2 - PC-100 3.3V 168-pin SDRAM
Memory UpgradeNiwTech
Memory Upgrade InstructionsHow to remove or install memory
Interleaving SupportNo
DISPLAY
Built-in Display15-inch shadow-mask CRT (13.8-inch viewable)
Display Glass
Brightness
Pixel Density
Color Gamut
Resolutions640x480 @ 117Hz, 800x600 @ 95Hz, 1024x768 @ 75Hz
Display ReplacementNiwTech
GRAPHICS
Graphics CardATI Rage 128 Pro or Rage 128 Ultra
Graphics Card ReplacementNiwTech
Graphics Memory8 or 16 MB
Display Connection1 - VGA
Display ModesVideo mirroring only
External Resolution
CAMERA
CameraNone
CONNECTIONS
Wi-FiOptional AirPort card (802.11b) (adapter required)
BluetoothNone
Ethernet10/100BASE-T (RJ-45)
Modem56k
USB2 - 12 MBit/s
FireWire2 - 400 MBit/s (8W total power)
Thunderbolt
Display1 - VGA
InfraredNone
Audio In1 - 3.5-mm analog input jack, Built-in microphone (16-bit 44.1 kHz sample rate)
Audio Out3 - 3.5-mm analog output jacks, Built-in speakers (16-bit 44.1 kHz sample rate)
Security Slot1 - Kensington cable lock
EXPANSION
Slots
BaysNone
Hard Drive InterfaceUltra ATA (Shared with optical drive)
Optical Drive InterfaceUltra ATA (Shared with hard disk drive)
SENSORS
Liquid SensorNon
POWER
Backup Battery3.6 V 850 mAh lithium (922-4028)
Maximum Continuous Power150 W
Line Voltage100-260V AC
Power Supply ReplacementNiwTech
ENVIRONMENTAL
Acoustical Performance
Power Consumption
ENERGY STARU.S. EPA ENERGY STAR compliant
EPEAT
NiwTechwww.niwtech.com